Home / 15,871.13-23,807.46-13,092.66

Finding the Fourth Proportional to 15,871.13, 23,807.46 and 13,092.66

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Solution

The fourth proportional to 15,871.13, 23,807.46 and 13,092.66 is: 19,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.13 : 23,807.46 = 13,092.66 : x
  2. Step 2: Convert to fraction form
    15,871.13/23,807.46 = 13,092.66/x
  3. Step 3: Cross multiply
    15,871.13x = 23,807.46 × 13,092.66
  4. Step 4: Simplify right side
    15,871.13x = 311,702,979.24
  5. Step 5: Solve for x
    x = 311,702,979.24/15,871.13
  6. Step 6: Final answer
    x = 19,639.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.